can trip
Verbo regular: trip - tripped- tripped

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can trip
you can trip
he can trip
we can trip
you can trip
they can trip 	I can be tripping
you can be tripping
he can be tripping
we can be tripping
you can be tripping
they can be tripping	I can have tripped
you can have tripped
he can have tripped
we can have tripped
you can have tripped
they can have tripped	I can have been tripping
you can have been tripping
he can have been tripping
we can have been tripping
you can have been tripping
they can have been tripping	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can't trip
you can't trip
he can't trip
we can't trip
you can't trip
they can't trip 	I can't be tripping
you can't be tripping
he can't be tripping
we can't be tripping
you can't be tripping
they can't be tripping	I can't have tripped
you can't have tripped
he can't have tripped
we can't have tripped
you can't have tripped
they can't have tripped	I can't have been tripping
you can't have been tripping
he can't have been tripping
we can't have been tripping
you can't have been tripping
they can't have been tripping	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I trip?
can you trip?
can he trip?
can we trip?
can you trip?
can they trip? 	can I be tripping?
can you be tripping?
can he be tripping?
can we be tripping?
can you be tripping?
can they be tripping? 	can I have tripped?
can you have tripped?
can he have tripped?
can we have tripped?
can you have tripped?
can they have tripped? 	can I have been tripping?
can you have been tripping?
can he have been tripping?
can we have been tripping?
can you have been tripping?
can they have been tripping? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can't I trip?
can't you trip?
can't he trip?
can't we trip?
can't you trip?
can't they trip? 	can't I be tripping?
can't you be tripping?
can't he be tripping?
can't we be tripping?
can't you be tripping?
can't they be tripping? 	can't I have tripped?
can't you have tripped?
can't he have tripped?
can't we have tripped?
can't you have tripped?
can't they have tripped? 	can't I have been tripping?
can't you have been tripping?
can't he have been tripping?
can't we have been tripping?
can't you have been tripping?
can't they have been tripping?